Publications

Dawn Y. Sumner's Group
Geology Department, University of California, Davis


Peer Reviewed Papers | Other Papers | Abstracts

Papers (Peer Reviewed):

(* denotes student in my lab)
Neff, Michael, Dawn Y. Sumner, Gerald W. Bawden, Ellen Bromberg, Della Davidson, Shelly Gibride, Louise H. Kellogg, and Oliver Kreylos, 2010.
Blending art and science in Collapse (suddenly falling down). Leonardo. (in press)

Ono, Shuhei, Alan J. Kaufman, James Farquhar, Dawn Y. Sumner, and Nicolas J. Beukes, 2009.
Lithofacies control on multiple-sulfur isotope records and the Neoarchean sulfur cycles. Precambrian Research, v. 169 p. 58-67.

Schroeder, S., N. J. Beukes, and D. Y. Sumner, 2009.
Microbialite-sediment interactions on the slope of the Campbellrand carbonate platform (Neoarchean, South Africa). Precambrian Research, v. 169 p. 68-79.

Simonson, Bruce M., Dawn Y. Sumner, Nicolas J. Beukes, and Jens Gutzmer, 2009.
Correlating multiple Neoarchean-Paleoproterozoic impact spherule layers between South Africa and Western Australia. Precambrian Research, v. 169 p. 100-111.

Waldbauer, Jacob R., Laura S. Sherman, Dawn Y. Sumner, and Roger E. Summons, 2009.
Late Archean molecular fossils from the Transvaal Supergroup record the antiquity of microbial diversity and aerobiosis. Precambrian Research, v. 169 p. 28-47.

Billen, Magali I., Oliver Kreylos, Bernd Hamann, Margarete Jadamec, Louise H. Kellogg, Oliver Staadt, and Dawn Y. Sumner, 2008. Abstract
A geoscience perspective on immersive 3D gridded data visualization. Computers and Geosciences, v. 34:9, DOI: 10.1016/j.cageo.2007.11.009

Kellogg, Louise H., Gerald W. Bawden, Tony Bernardin, Magali Billen, Eric Cowgill, Bernd Hamann, Margaret Jademac, Oliver Kreylos, Oliver Staadt, and Dawn Sumner, 2008. Abstract
Interactive visualization to advance earthquake simulation. Pure & Applied Geophysics, v. 165, p. 621-633.

Murphy*, Megan, and Dawn Y. Sumner, 2008. Abstract
Variations in Neoarchean microbialite morphologies: Clues to controls on microbialite morphologies through time. Sedimentology, DOI: 10.1111/j.1365-3091.2007.00942.x

Murphy*, Megan, and Dawn Y. Sumner, 2007. Abstract
Tube structures of probable microbial origin in the Neoarchean Carawine Dolomite, Hamersley Basin, Western Australia. Geobiology, DOI: 10.1111/j.1472-4669.2007.00114.x

Andres, Miriam S., Dawn Y. Sumner, R. Pamela Reid, and Peter K. Swart, 2006. Abstract
Carbon isotopic fingerprints of microbial respiration in modern marine stromatolites. Geology, v. 34, p. 973-976. DOI: 10.1130/G22859A.1

Bishop*, James W., and Dawn Y. Sumner, 2006. Abstract
Molar tooth structures of the Neoarchean Monteville Formation, Transvaal Supergroup, South Africa: I. Description and constraints on microspar precipitation. Sedimentology, 20pp. DOI: 10.1111/j.1365-3091.2006.00801.x

Bishop*, James W., Dawn Y. Sumner, and Nicolas J. Huerta*, 2006. Abstract
Molar tooth structures of the Neoarchean Monteville Formation, Transvaal Supergroup, South Africa: II. A Fluid Flow Model. Sedimentology, 14pp. DOI: 10.1111/j.1365-3091.2006.00802.x

Kreylos, Oliver, Tony Bernardin, Magali I. Billen, Eric S. Cowgill, Ryan D. Gold, Bernd Hamann, Margarete Jadamec, Louise Kellogg, Oliver G. Staadt, Dawn Y. Sumner, 2006. conference site
Enabling scientific workflows in virtual reality, in Proceedings of the ACM SIGGRAPH International Conference on Virtual Reality Continuum and Its Applications VRCIA.

Sumner, Dawn Y., and Nicolas J. Beukes, 2006. Full Text (eScholarship Repository)
Sequence stratigraphic development of the Neoarchean Transvaal carbonate platform, South Africa. South African Journal of Geology, v. 109, p. 11-22.

Chavdarian*, Gregory V., and Dawn Y. Sumner, 2006. Abstract
Cracks and fins in sulfate sand: Evidence for recent mineral-atmospheric water cycling in Meridiani Planum outcrops? Geology, v. 34, p. 229-232.

Hassler, S.W., B.M. Simonson, D. Sumner, and M. Murphy*, 2005. Abstract
Neoarchean spherule layers in the Fortescue and Hamersley Groups, Western Australia: stratigraphic and depositional implications of recorrelation, Australian Journal of Earth Sciences, v. 52, p. 759-771.

Sumner, Dawn Y., 2004. Abstract (JGR) and almost final Full Text (eScholarship Repository)
Poor preservational potential of organics in Meridiani Planum hematite-bearing sedimentary rocks, Journal of Geophysical Research - Planets, v. 109, E12007, doi:10.1029/2004JE002321.

Sumner, Dawn Y. and John P. Grotzinger, 2004. Abstract or Full Text (eScholarship Repository)
Calcite and Aragonite Precipitation in the Neoarchean Campbellrand-Malmani Carbonate Platform, South Africa, Sedimentology, v. 51, p. 1-27, doi: 10.1111/j.1365-3091.2004.00670.x.

Reid R.P., C. Dupraz, P.T. Visscher, and D.Y. Sumner, 2003. Abstract
Microbial processes forming modern marine stromatolites: Microbe-mineral interactions with a three-billion-year rock record, in Fossil and Recent Biofilms, a natural history of life on Earth, W. E. Krumbein, D. M. Paterson, and G. A. Zavarzin, editors. Kluwer Academic Publishers, p. 103-118.

Stephens*, Nat P. and Dawn Y. Sumner, 2003. Abstract or Full Text (eScholarship Repository)
Famennian microbial reef textures, Napier and Oscar Ranges, Canning Basin, Western Australia, Sedimentology, v. 50, p. 1283-1302.

Stephens*, Nat P. and Dawn Y. Sumner, 2003. Abstract or Full Text (eScholarship Repository)
Late Devonian carbon isotope stratigraphy and sea level fluctuations, Canning Basin, Western Australia. Palaeogeography, Palaeoclimatology, Palaeoecology, v. 191, p. 203-219.

Stephens*, Nat P. and Dawn Y. Sumner, 2002. Abstract
Renalcids as fossilized biofilm clusters. Palaios, v. 17, p. 225-236.

Sumner, Dawn Y., 2001. Abstract
Decimeter-thick encrustations of calcite and aragonite on the sea floor and implications for Neoarchean and Neoproterozoic ocean chemistry, in Precambrian Sedimentary Environments: A Modern Approach to Ancient Depositional Systems (W. Altermann and P.L. Corcoran, eds.) Special Publication #33 of the International Association of Sedimentologists, Blackwell, p. 107-120.

Sumner, Dawn Y., 2001. Full Text (Astrobiology)
Microbial influences on local carbon isotopic ratios and their preservation in carbonate. Astrobiology, v. 1, p. 57-70.

Sumner, Dawn Y., 2000. Abstract
Microbial versus environmental influences on the morphology of Late Archean fenestrate microbialites, in Microbial Sediments (R. Riding and S. Awramik, eds.), Springer, Berlin, p. 307-314.

Sumner, Dawn Y. and John P. Grotzinger, 2000. Abstract
Late Archean aragonite precipitation: Petrography, facies associations, and environmental significance, in Carbonate Sedimentation and Diagenesis in the Evolving Precambrian World (J. P. Grotzinger and N. P. James, eds). SEPM Special Publication #67, p. 123-144.

Sumner, Dawn Y., 1997. Abstract (at the AJS site)
Carbonate precipitation and oxygen stratification in late Archean seawater as deduced from facies and stratigraphy of the Gamohaan and Frisco formations, Transvaal Supergroup, South Africa. American Journal of Science, v. 297, p. 455-487.

Sumner, Dawn Y., 1997. Abstract (at the Palaios site)
Late Archean calcite-microbe interactions: Two morphologically distinct microbial communities that affected calcite nucleation differently. Palaios, v. 12, p. 302-318.

Sumner, Dawn Y. and Samuel A. Bowring, 1996. Abstract
U-Pb geochronologic constraints on deposition of the Campbellrand Subgroup, Transvaal Supergroup, South Africa. Precambrian Research, v. 79, p. 25-35.

Sumner, Dawn Y. and John P. Grotzinger, 1996. Abstract (At the GSA/Geology site, connect to p. 119)
Were kinetics of Archean calcium carbonate precipitation related to oxygen concentration? Geology, v. 24, p. 119-122.

Sumner, Dawn Y. and John P. Grotzinger, 1996. Abstract
Herringbone calcite: Petrography and environmental significance. Journal of Sedimentary Research, v. 66, p. 419-429.

Sumner, Dawn Y. and John P. Grotzinger, 1993. Abstract
Numerical modeling of ooid size and the problem of Neoproterozoic giant ooids. Journal of Sedimentary Petrology, v. 63, p. 974-982.

Peer Reviewed Papers | Other Papers | Abstracts

Papers (Unreviewed):

Neff, Michael, Dawn Y. Sumner, Gerald W. Bawden, Ellen Bromberg, Della Davidson, Shelly Gibride, Louise H. Kellogg, and Oliver Kreylos, 2009.
Blending art and science in Collapse (suddenly falling down). Leonardo Transactions. http://www.leonardo-transactions.com/announcements/

Ohmoto, Hiroshi, Bruce Runnegar, Lee R. Kump, Marilyn L. Fogel, Balz Kamber, Ariel D. Anbar, Paul L. Knauth, Donald R. Lowe, Dawn Y. Sumner, and Yumiko Watanabe, 2008.
Biosignatures in ancient rocks: A summary of discussions at Field Workshop on Biosignatures in Ancient Rocks. Astrobiology, (in press, October).

MEPAG Next Decade Science Analysis Group, 2008. Available on the MEPAG web site.
Science priorities for Mars sample return. Astrobiology, v. 8, p. 489-535. (Sumner was a member of the Next Decade Science Analysis Group.)

Billen, M. I., O. Kreylos, L. H. Kellogg, B. Hamann, O. Staadt, D. Y. Sumner, M. Jadamec, 2006. Available on the KeckCAVES web site.
Study of 3D Visualization Software for Geo-Science Applications, KeckCAVES Tech. Report 06-01.

Taylor, G. Jeffrey, Dawn Sumner, Andy Steele, Steve Bougher, Mark Richardson, Dave Paige, Glenn MacPherson, Bruce Banerdt, John Connolly, and Kelly Snook, 2004. Available on the MEPAG web site.
Scientific Goals, Objectives, Investigations, and Priorities: 2004. MEPAG (Mars Exploration Program Analysis Group).

Sumner, Dawn Y., 2004 Comment and Reply (pdf file) or online version
Secular variations in Precambrian seawater chemistry and the timing of Precambrian aragonite seas and calcite seas: Comment and Reply. Geology, Online Forum.

MacPherson, Glenn J. (Chair), and the MSR Science Steering Group, 2002. White Paper
Groundbreaking MSR: Science requirements and cost estimates for a first Mars surface sample return mission. Unpublished white paper, MEPAG web site.

Sumner, Dawn Y., 2002 Essay
Biology and Geology: A Necessary Symbiosis, On Line essay in Palaios

Sumner, Dawn Y., 2002 Full Field Guide (html page to download parts)
Neoarchean carbonates - Clues to early life and early ocean chemistry, IAS Field Guide A6.

Beukes, N., K. Eriksson, and D. Y. Sumner, 2002
Sedimentary superlatives on the Kaapvaal Craton, IAS Field Guide B3

Beukes, N., and D. Y. Sumner, 2002
Archean carbonates around Johannesburg, IAS Field Guide

Peer Reviewed Papers | Other Papers | Abstracts

Abstracts:

2008

Chavdarian*, Gregory V., and Dawn Y. Sumner, 2008.
Crack geometry and morphology in hydrous sulfate sands. Lunar and Planetary Science XXXIX, Abstract #2285.

Harwood*, Cara, and Dawn Y. Sumner, 2008.
Stromatolitic buildups and associated microbial facies of the Neoproterozoic Beck Spring Dolomite, southern California, Geological Society of America, Abstract.

Oberstadt*, Amy, Dana Armstrong*, Natalie Stork*, Rebekah Shepard*, and Dawn Sumner, 2008.
Patterns of motility and morphologensis in filamentous cyanobacterial biofilms. AbSciCon 2008, Astrobiology, v. 8, Abstract 18-12-P.

Shepard*, Rebekah, Natalie Stork*, Amy Oberstadt*, Dana Armstrong*, and Dawn Sumner, 2008.
Random motility creates reticulate morphologies in cyanobacterial biofilms, leaving phototaxis in the dark. AbSciCon 2008, Astrobiology, v. 8, Abstract 18-15-O.

Stork*, Natalie, Rebekah Shepard*, and Dawn Sumner, 2008.
CaCO3 precipitation in freshwater laboratory biofilms dominated by Oscillatoria sp. AbSciCon 2008, Astrobiology, v. 8, Abstract 18-16-P.

Sumner, Dawn Y., James P. Crutchfield, and Rebekah N. Shepard*, 2008.
Microbial motility and morphological biosignatures. AbSciCon 2008, Astrobiology, v. 8, Abstract 24-48-O.

2007

Bishop*, James W., Dawn Y. Sumner, David A. Osleger, Isabel Monta–ez, and Scott W. Tinker, 2007. Abstract
d13C and d18O enrichment near cycle tops and sequence boundaries in the Capitan backreef, McKittrick and Slaughter Canyons. AAPG Annual Meeting, Abstracts.

Chavdarian*, Gregory V., and Dawn Y. Sumner, 2007.
Cracks as evidence for water evaporation and condensation associated with temperature changes in hydrous sulfate sands. Lunar and Planetary Science XXXVIII, Abstract #2246.

Kreylos, Oliver, Gerald W. Bawden, Magali I. Billen, Eric Cowgill, Bernd Hamann, Margarete A. Jadamec, Louise H. Kellogg, Oliver G. Staadt, and Dawn Y. Sumner, 2007.
Interactive immersive visualization of geoscience data. Geological Society of America, Abstract.

Minitti, Michelle E., Kenneth Edgett, and the MSL Mastcam/MAHLI/MARDI Team, 2007. Abstract
The Mars Science Laboratory Mars Hand Lens IMager (MSL MAHLI). Geological Society of America Annual Meeting, Abstract.

Stork*, Natalie J., Amy E. Oberstadt*, Dana K. Armstrong*, Rebekah N. Shepard*, and Dawn Y. Sumner, 2007. Abstract
Morphologenesis of laboratory biofilms. Geological Society of America Annual Meeting, Abstract.

Sumner, Dawn Y., 2007. Abstract
Mars Habitability. Second Mars Science Laboratory Landing Site Workshop, Pasadena, CA, October 23-25, 2007.

Sumner, Dawn Y., 2007. Abstract
del.icio.us, YouTube, and undergraduate sedimentology students. Geological Society of America Annual Meeting, Abstract (invited).

Sumner, Dawn Y., 2007. Abstract
Differential dissolution and recrystallization: Microscale clues to percursor mineral solubility. Geological Society of America Annual Meeting, Abstract (invited).

2006

Andres, Miriam S., R. Pamela Reid, Dawn Y. Sumner, Pieter T. Visscher, and Peter K. Swart, 2006.
Isotopic fingerprinting of modern marine stromatolites. International Sedimentary Congress.

Bishop*, James W., Nicolas J. Huerta*, and Dawn Y. Sumner, 2006.
Interconnectivity of molar tooth cracks in the ~2.6 Ga Monteville Formation, Transvaal Supergroup, from neutron-computed tomography. Astrobiology Science Conference, Abstract.

Bishop*, James, Dawn Sumner, Dave Osleger, Isabel Monta–ez, and Scott Tinker, 2006.
Isotopic variability in backreef strata of the Permian Reef Complex, McKittrick Canyon, West Texas. GSA Annual Meeting.

Chavdarian*, Gregory V., and Dawn Y. Sumner, 2006.
Cracks and fins in sulfate sand: Evidence for recent mineral-atmospheric water cycling in Meridiani Planum outcrops? Lunar and Planetary Science XXXVII and Water on Mars Workshop, NASA Ames.

Murphy*, M.A., B. Kansara, V. Natarajan, G.H. Weber, B. Hamann, D.Y. Sumner, 2006.
2.6 Ga microbial tub structures from the Carawine Fm., Hamersley Basin, Western Australia, Astrobiology Science Conference, Abstract 129.

Shepard*, Rebekah, Natalie Stork*, Megan Murphy*, and Dawn Sumner, 2006.
Influence of dissolved inorganic carbon on cyanobacterial biofilm morphogenesis. Astrobiology Science Conference, Abstract 118. (1st place student poster presentation)

Simonson, B.M., D.Y. Sumner, N.J. Beukes, J. Gutzmer, I. Kohl, S. Jones-Zimberlin, S. Johnson, A. Scally, and S. Hassler, 2006.
Correlation of multiple Neoarchean to Paleoproterozoic impact spherule layers between Western Australia and South Africa. Lunar and Planetary Science XXXVII.

Sumner, Dawn Y., 2006.
Microbial motility and morphological biomarkers. Astrobiology Science Conference, Invited Plenary Abstract 121.

2005

Andres, M.S., R.P. Reid, and D.Y. Sumner, 2005.
Isotopic fingerprinting of modern marine stromatolites. 24th Meeting International Association of Sedimentologists, Abstracts.

Andres, M.S., D.Y. Sumner, P.T. Visscher, P.K. Swart, and R.P. Reid, 2005.
Microbe-mineral interactions along biogeochemical gradients in Bahamian stromatolites: Key to lithification and preservation, AGU Fall Meeting. Abstract B31A-0962.

Chavdarian*, Gregory V. and Dawn Y. Sumner, 2005. Abstract at GSA web site
Cracks and Fins: Pieces of Mars at White Sands National Monument, New Mexico, GSA Annual Meeting, Abstract 249-14.

Huerta*, N.J., M.A. Murphy*, V. Natarajan, G. Weber, B. Hamann, and D.Y. Sumner, 2005.
3D reconstruction of intricate Archean microbial structures using neutron computed tomography and serial sectioning, AGU Fall Meeting, Abstract IN43B-0331.

Malin, M.C. and 15 others, including D.Y. Sumner, 2005. Abstract (pdf file)
The mast cameras and Mars decent imager (MARDI) for the 2009 Mars Science Laboratory. Lunar and Planetary Science XXXVI, Abstract 1214. search for Sumner to download official abstract.

Murphy*, M.A., R.N. Shepard*, and D.Y. Sumner, 2005.
A model for vertically oriented surfaces in microbial mats. GSA Earth Systems Processes II, Abstract 42-5.

Ono, S., N. Beukes, D. Sumner, J. Eigenbrode, B. Wing, D. Johnston, J. Farquhar and D. Rumble, 2005.
Before the rise of oxygen: Multiple sulfur isotope systematics in the late Archean basins in South Africa and Australia. 15th annual Goldschmidt Conference, Moscow Idaho, Geochimica et Cosmochimica Acta, v.69(10) Suppl., p. 447.

Schršder, S., N.J. Beukes, and D.Y. Sumner, 2005.
Detailed sedimentology and stratigraphy of the carbonate-to-BIF transition in the Transvaal Supergroup.. Abstract, South African Geological Society Annual meeting, Durban, South Africa.

Shepard*, R.N., K. Alexander*, M.A. Murphy*, and D.Y. Sumner, 2005.
Development of complex morphology in a cyanobacterial laboratory model system: implications for the interpretation of fossil microbialites. GSA Earth System Processes II, Abstract 42-6.

Sumner, Dawn Y., and Miriam S. Andres, 2005. Abstract at GSA web site; includes my slides and a recording of my presentation
Isotopic fingerprints of microbial respiration in aragonite from modern Bahamian stromatolites, GSA Annual Meeting, Abstract 179-12.

Sumner, Dawn Y., and Nicolas J. Beukes, 2005.
Depth gradients in Neoarchean ocean chemistry and microbialite morphology. Astrobiology: Exobiology and Evolutionary Biology PI Symposium.

2004

Beukes, N.J., D.A.D. Evans, J.P. Grotzinger, J.L. Kirschvink, A.H. Knoll, and D.Y. Sumner, 2004. Abstract
Multidisciplinary Study of the Precambrian biosphere and surficial oxygenation, Kaapvaal Craton, South Africa: The Agouron cores. AGU Annual Fall Meeting, Abstracts

Beukes, N.J., D.A.D. Evans, J.P. Grotzinger, J.L. Kirschvink, A.H. Knoll, and D.Y. Sumner, 2004. Abstract
Multidisciplinary Study of the Precambrian biosphere and surficial oxygenation, Kaapvaal Craton, South Africa: The Agouron cores. Third Astrobiology Science Conference, NASA Ames, Abstracts (CD rom).

Bishop*, James W., Nicolas J. Huera*, Nicolas J. Beukes, and Dawn Y. Sumner, 2004 Abstract
Neutron computed tomography and description of molar tooth structures in the Neoarchean Boomplaas and Monteville formations, and the Paleoproterozoic Hotazel Iron-Formation, South Africa. GSA Annual Meeting, Abstracts, v. 36, p. 251.

Murphy*, Megan, and Dawn Y. Sumner, 2004 Abstract
Stromatolites and microbialites in subtidal carbonates of the Neoarchean Carawine Formation, Hamersley Group, Western Australia. GSA Annual Meeting, Abstracts, v. 36, p. 251.

Shepard*, Rebekah, Kathryn M. Alexander*, and Dawn Y. Sumner, 2004 Abstract
Promoting processes of peak production in microbial mats. GSA Annual Meeting, Abstracts, v. 36, p. 361.

Simonson, B.M., and D.Y. Sumner, 2004. Abstract
A newly recognized impact spherule layer in the Reivilo Formation, Griqualand West Basin, South Africa. Lunar and Planetary Science XXXV, Abstracts.

Sumner, Dawn Y., 2004. Abstract
Biofilm Morphology - A Record of Community Behavior? Seventh Annual Chinese-American Beckman Frontiers of Science Symposium, October.

Sumner, Dawn Y., 2004. Abstract
Poor preservation potential of organics in Meridiani Planum Unit P2 sedimentary rocks. Mars Astrobiology Science and Technology Workshop, Washington, DC. Agenda and site to download abstract

Sumner, Dawn Y., 2004. Abstract
Autotrophic Geochemical Signatures in 2.5 Billion-year-old Microbial Communities. Third Astrobiology Science Conference, NASA Ames, Abstracts (CD rom).

2003

Bishop*, James, and Dawn Y. Sumner, 2003. Abstract
Geochemical constraints on molar tooth structure from the Neoarchean Monteville Formation, South Africa. GSA Annual Meeting, Abstracts, v. 35.

Huerta*, Nicolas, and Dawn Y. Sumner, 2003. Abstract
Developing neutron computed tomography as an efficient, non-invasive tool to image organics in sedimentary rock. AAPG Pacific Section Meeting, Abstracts, May.

Murphy*, Megan, and Dawn Y. Sumner, 2003. Abstract
Identification of fenestrate microbialites from the Neoarchean Carawine Formation, Western Australia. GSA Annual Meeting, Abstracts, v. 35.

Sumner, Dawn Y., 2003. Abstract
Intuitive sequence stratigraphy: Replacing lectures with inquiry-based computer labs. GSA Annual Meeting, Abstracts, v. 35.

Sumner, Dawn Y., 2003. Abstract
Evidence for microbe-environmental interactions: A Neoarchean case study spanning scales of kilometers to microns. GSA Annual Meeting, v. 35.

2002

Bishop*, James W. and Dawn Y. Sumner, 2002. Abstract
Constraints on molar tooth structure from the Neoarchean Monteville Formation. GSA Annual Meeting, Abstracts, v. 34.

Simonson, B. M., S. W. Hassler, J. Smit, and D. Sumner, 2002. Abstract (pdf file)
How many Late Archean impacts are recorded in the Hamersley Basin of Western Australia? Lunar and Planetary Science XXXIII, Abstracts.

Smit, Jan, Bruce M. Simonson, Scott Hassler, and Dawn Sumner, 2002. Abstract
Large-impact triggered tsunami deposits in the deep sea: Examples from the 65 Ma Chicxulub crater and the 2.5-2.6 Ga Hamersley Basin. GSA Annual Meeting, Abstracts, v. 34.

Stephens*, Nat P. and Dawn Y. Sumner, 2002.
16th International Sedimentological Congress Abstract.

Sumner, Dawn Y., 2002. Abstract (pdf file)
Microbial behaviour and calcite precipitation as controls on Neoarchean microbialite morphology, 16th International Sedimentological Congress Abstract.

Wilding, M. C., D. Y. Sumner, C. E. Lesher, K. E. Shields, and D. Reap, 2002. Abstract
Neutron computed tomography reconstructions of microbial structures in carbonate and silicate rocks. Second Astrobiology Science Conference, NASA Ames, Abstracts.

2001

Fenger*, Tracy L. and Dawn Y. Sumner, 2001. Abstract
Glacial interpretation for the Rainstorm Member of the Johnnie Formation, Eastern California. GSA Cordilleran Section Annual Meeting, Abstracs, v. 33, p. A-48.

Stephens*, Nat P. and Dawn Y. Sumner, 2001. Abstract
A biofilm origin of renalcids. GSA Annual Meeting, Abstracts, v. 33.

Sumner, Dawn Y., 2001. Abstract
Changes in facies distributions as an indicator of stromatolite reef growth in a Neoarchean carbonate platform. GSA Annual Meeting, Abstracts, v. 33.

2000

Stephens*, Nat P. and Dawn Y. Sumner, 2000. Abstract
Paleoecology of a Famennian (Late Devonian) microbial reef, Canning Basin, Western Australia. GSA Annual Meeting, Abstracts, v. 32, p. A-278.

Sumner, Dawn Y. 2000. Abstract
Autotrophic fixation of HCO3- caused calcite precipitation in 2.5 Ga microbial communities. GSA Annual Meeting, Abstracts, v. 32, p. A-257.

Sumner, Dawn Y., 2000. Abstract
Late Archean Carbonate Facies Models. 31st IGC Meeting, Abstracts.

Sumner, Dawn Y., 2000. Abstract
Metabolic influences on carbonate precipitation in Archean microbial communities. First Astrobiology Research Conference, Abstracts.

Sumner, Dawn Y., and Sarah A. Tourre 2000. Abstract
Ferrous Iron and the Crystallographic Characteristics of Herringbone Calcite. 31st IGC Meeting, Abstracts.

Tourre*, Sarah A. and Dawn Y. Sumner, 2000. Abstract
Geochemistry of herringbone calcite form an ancient Egyptian quarry. GSA Annual Meeting, Abstracts, v. 32, p. A-215.

1999 and Older

Stephens*, Nat P. and Dawn Y. Sumner, 1999. Abstract
Preliminary Late Devonian carbon isotope stratigraphy in the Canning Basin, Western Australia. GSA Annual Meeting, Abstracts.

Sumner, Dawn Y., Tracy Fenger*, and Sarah A. Tourre*, 1999. Abstract
Effects of reduced iron on calcite crystal morphology and implications for tracing paleoenvironmental chemistry. AGU Annual Fall Meeting, Abstracts.

Tourre*, Sarah A. and Dawn Y. Sumner, 1999. Abstract
Cave-filling Herringbone Calcite from a Middle Eocene Carbonate Platform, Egypt: Crystal Morphology and Geochemistry of an Unusual Carbonate Cement. GSA Annual Meeting, Abstracts.

Sumner, Dawn Y., 1999. Abstract
In Situ Calcite and Aragonite Precipitation as an Important Late Archean Platform-Building Process. AAPG/SEPM Annual Meeting, Abstracts.

Sumner, Dawn Y., 1998. Abstract
Peritidal Micrite Precipitation within Late Archean Microbial Mats. GSA Annual Meeting, Abstracts, v. 30.

Sumner, Dawn Y., 1998. Abstract
Iron-rich Archean Oceans and Implications for the Carbon Cycle. AGU Annual Winter Meeting, Abstracts.

Sumner, Dawn Y., 1997. Abstract (at the GSA site)
Complex Microbial Communities Preserved in the 2520 Ma Gamohaan Formation Affected Calcite Nucleation But Not Carbon Isotopic Composition. GSA Annual Meeting, Abstracts, v. 29.

Sumner, Dawn Y., 1996. Abstract (at the GSA site)
Evidence for low late Archean atmospheric oxygen from oceanic depth gradients in iron concentration. GSA Annual Meeting, Abstracts, v. 28, p. A218. Invited contribution.

Sumner, Dawn Y., 1996. Abstract
Morphological evidence for Archean microbe segregation into distinct communities. IGC, Beijing. Invited contribution.

Sumner, Dawn Y. and John P. Grotzinger, 1995.
Archean carbonates and supersaturated sea water. SEPM Congress on Sedimentary Geology, Program and Abstracts, v. 1, p. 119.

Sumner, Dawn Y. and John P. Grotzinger, 1994.
Archean microbialites and carbonate precipitation. Death Valley International Stromatolite Symposium, Laughlin, Nevada, 15-17 October 1994, Abstracts (ed. S. M. Awramik), p. 75.

Sumner, Dawn Y. and John P. Grotzinger, 1994.
Microbial mats and carbonate precipitation: Nucleation and inhibitory effects in the 2.52 Ga Gamohaan Fm., South Africa. GAC/MAC Annual Meeting, Program with Abstracts, v. 19, p. A108.

Sumner, Dawn Y. and John P. Grotzinger, 1994.
Herringbone cement: A new marine calcite morphology. GAC/MAC Annual Meeting, Program with Abstracts, v. 19, p. A108.

Grotzinger, John P., Dawn Y. Sumner, and Nic J. Beukes, 1993.
Archean carbonate sedimentation in an active extensional basin, Belingwe Greenstone Belt, Zimbabwe. GSA Annual Meeting, Abstracts, v. 25, p. A64.

Sumner, Dawn Y., John P. Grotzinger, and Nicolas J. Beukes, 1993.
Mat growth and carbonate precipitation in conoform stromatolites, 2.52 Ga Gamohaan Formation, South Africa. GSA Annual Meeting, Abstracts, v. 25, p. A357.

Sumner, Dawn Y. and John P. Grotzinger, 1992.
Herringbone cement: a new marine cement morphology. GSA Annual Meeting, Abstracts, v. 24, p. A105.

Sumner, Dawn Y. , Nicolas J. Beukes, and John P. Grotzinger, 1991.
Evidence for widespread precipitation of aragonite and calcite in the construction of the ~2.5 Ga Campbellrand-Malmani carbonate platform, South Africa. GSA Annual Meeting, Abstracts, v. 23, p. A65.

Sumner, Dawn Y., Nicolas J. Beukes, and John P. Grotzinger, 1991.
Massive marine cementation of the Archean Campbellrand-Malmani carbonate platform, South Africa. GAC/MAC Annual Meeting, Program with Abstracts, v. 16, p. A120.

Sumner, D. Y., J. L. Kirschvink, and B. N. Runnegar, 1987.
Soft-sediment paleomagnetic field test of late Precambrian glaciogenic sediments. AGU Fall Meeting Abstracts, v. 68, p. 1251.

Peer Reviewed Papers | Other Papers | Abstracts

Thesis:

Sumner, Dawn Y., 1995. Abstract
Facies, Paleogeography, and Carbonate Precipitation on the Archean (2520 Ma) Campbellrand-Malmani Carbonate Platform, Transvaal Supergroup, South Africa. Ph.D. Thesis, Massachusetts Institute of Technology, 514 pp.



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Dawn Y. Sumner
Department of Geology
University of California
Davis, CA 95616
sumner@geology.ucdavis.edu